<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title></title>
    <script src="Promise.js"></script>
</head>
<body>

<script>
    //返回结果 promise 对象
    let p = Promise.resolve('ok');
    let p2 = Promise.resolve(Promise.resolve('Yeah'));

    let p3 = Promise.reject(Promise.resolve('ok'));

    console.log(p3);
</script>
</body>
</html>